try to find a easy way to remove nitrate

[some_1s]

Originally Posted by Zhuoyuting

Imba K1 siao....
Swee swee.. Respect... you running on two sump ah the white pipes are gravity pull???

Anyway what you bioload ah?

yes it gravity pull .
here my bioload
fish stock whice now i have in 7x2.2x2.5
2 x silver aro
2 x banjar red
2 x RTG
2 x Hiback
1 x super red
2 x ray
5 x eartheater
1 x Black Ghost Knife Fish
3 x gold fish
2 x Bichir
1 x rope Bichir
2 x tortise
1 x blue lobster
2 x Clown loach